Which of the following are a gradient vector field? Select all options that are a gradient vector field. 0 O F=z1+30 O F OF=(z+2y)i + (x + 2y)j F=(2zy + y²)+(2zy+z³)j F=zevi+yej F= cos(z)i + cos(y)j

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Which of the following are a gradient vector field? Select all options that are a gradient vector field.
F=zi + 30
F=
F = (2xy + y²)1+ (2xy + ²)
F = (x+2y)i + (x+2y)j
F=revi+ye""j
F= cos(z)i + cos(y)j
Transcribed Image Text:Which of the following are a gradient vector field? Select all options that are a gradient vector field. F=zi + 30 F= F = (2xy + y²)1+ (2xy + ²) F = (x+2y)i + (x+2y)j F=revi+ye""j F= cos(z)i + cos(y)j
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